20938532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2011}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 38871840

約数和(自身を除く): 17933308

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2011, 2603, 4022, 5206, 8044, 10412, 38209, 76418, 152836, 275507, 551014, 1102028, 5234633, 10469266, 20938532]

約数ペア:

[(1, 20938532), (2, 10469266), (4, 5234633), (19, 1102028), (38, 551014), (76, 275507), (137, 152836), (274, 76418), (548, 38209), (2011, 10412), (2603, 8044), (4022, 5206)]